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Summaries - Plants
EduBook Organización
- 2106 visitas
1. Plants and their classification Plants make their own food. They contain a green pigment called chlorophyll. They cannot move from place to place. Plants are classified into non-flowering plants…
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Match. Rock types
EduBook Organización
- 2068 visitas
Match the definition to the different rock types: Rocks which are made up of grains of sand or mud that are held together by other mineral substances: Rocks which form when magma cools quickly on the…
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Soil, texture and acidity
EduBook Organización
- 2058 visitas
Soil texture is determined by the size of its particles and thus how much water it can retain. Sand has the largest particles. Sandy soils retain almost no water, which is not good for plants. Clay has…
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Answer. Plant nutrition
EduBook Organización
- 2046 visitas
Remember what you have studied in this section and answer the questions: What is photosynthesis? Why are chloroplasts green? How do algae and mosses get the water and carbon dioxide they need? How do…
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Choose. Atmospheric phenomena
EduBook Organización
- 1811 visitas
Match each phenomenon with its description: Movement of air from one place to another because of differences in the pressure between the two places. Water droplets and ice crystals that fall from clouds…
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True/false. The atmosphere
EduBook Organización
- 1753 visitas
Are the following sentences true or false? The Earth has always had the same atmosphere. The most abundant components of the atmosphere are carbon dioxide and water vapour. Everywhere in the…
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Final self-evaluation 4 - The Hydrosphere
EduBook Organización
- 1661 visitas
Complete the text with the missing words: Water is a very good of all types of solid, and gaseous substances. Living beings absorb many substances for life because they are dissolved in . At the same…
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Matter and Materials
Carles Escolà Teixidó Familiar
- 1 lo usan
- 1502 visitas
All objects around us are made of matter. Matter is anything that occupies space. We find matter in three different states: solid, like ice, liquid, like water, and gas, like water vapour. We can make…
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Final self-evaluation 1.6 - Matter and Materials
EduBook Organización
- 1597 visitas
Complete the following sentences with the missing words: A group of atoms is called a . move around the nucleus of an atom. are made up of two or more different chemical elements. The formula for is…
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What is sedimentation?
EduBook Organización
- 1566 visitas
Sedimentation is the process of depositing materials. It can happen in different ways: Dissolved material in a river may be deposited if the water evaporates. A rock mineral called calcite is formed in…